Up & Coming Extensions
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TracEmail Requires Restart
A tool to raise awareness on email privacy. Visualizes the estimation of the path of your email messages on an interactive map. You can see which countries might have taken a copy of the message.
List addons in Windows' "Add or Remove Programs".
Auto Password Registerer Requires Restart
Registers given passwords to Firefox/Thunderbird's password manager automatically.
Lowercase Email Addresses in Message Headers Requires Restart
Shows lowercase email addresses in message headers and their tooltips.
This addon extends filtering to read messages downloaded during an IMAP synchronization (bug 308148)
DSN Settings 2 Requires Restart
Adds user interface settings for Delivery Status Notification (DSN) requests. This addon is useful for settings for Delivery Notification request and better experience with Notification Viewer addon.
teclib' Protocol Requires Restart
Assists to setup a chat account for teclib'.
한국 웹의 광고를 효율적으로 차단합니다.
The "Responsible Blocker" arrives to save the Internet, this extension blocks all those annoying ads, but allows only small and acceptable ads, so the websites you like can continue online.
The "Responsible Blocker" arrives to save the Internet!
Sender Frequency Requires Restart
Adds a custom column for Sender Frequency to the thread pane
Colored Recipient Type Requires Restart
Customize background-color of the recipient address fields for each recipient types of To:, Cc:, Bcc:.Customize background-color of the recipient address fields for each recipient types of To:, Cc:, Bcc:.
Prevent accidental interaction with tab contents
Task Me (activity logger) Requires Restart
Activity logger (sampled task monitoring) which uses calendar to store user's activities.
It periodically displays window with textbox where user can put description of currently performed tasks. The description is saved in a calendar.
This addon returns the old view of the pop-up notifications, as in Firefox 4.0 - 43.0
Zonio Freebusy for Lightning Requires Restart
Finds when are people available for a meeting or event via Zonio Freebusy service. Displays freebusy blocks instantly in Invite Attendees window while attendees are being added. Works with both local calendar storage or any calendar provider.
Email Addresses in Message Headers Requires Restart
Shows email addresses in message headers, including those of contacts, and provides control over message header presentation.
Delete Only Empty Folder Requires Restart
Disallows to delete not-empty mail folders.
Sensitivity Header + SPX Requires Restart
Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
Forked from another add-on developed by ff_bob, added SPX header for Sophos security appliances